/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.mongomk.impl.model.tree;
import org.apache.jackrabbit.mk.model.ChildNodeEntry;
import org.apache.jackrabbit.mk.model.Id;
import org.apache.jackrabbit.mk.model.NodeDiffHandler;
import org.apache.jackrabbit.mk.model.tree.NodeState;
import org.apache.jackrabbit.mk.model.tree.NodeStateDiff;
import org.apache.jackrabbit.mk.model.tree.NodeStore;
import org.apache.jackrabbit.mongomk.api.model.Node;
/**
* This dummy NodeStore implementation is needed in order to be able to reuse
* Oak's DiffBuilder in MongoMK.
*/
public class SimpleMongoNodeStore implements NodeStore {
@Override
public NodeState getRoot() {
return null;
}
@Override
public void compare(final NodeState before, final NodeState after,
final NodeStateDiff diff) {
Node beforeNode = ((MongoNodeState)before).unwrap();
Node afterNode = ((MongoNodeState)after).unwrap();
beforeNode.diff(afterNode, new NodeDiffHandler() {
@Override
public void propAdded(String propName, String value) {
diff.propertyAdded(after.getProperty(propName));
}
@Override
public void propChanged(String propName, String oldValue,
String newValue) {
diff.propertyChanged(before.getProperty(propName),
after.getProperty(propName));
}
@Override
public void propDeleted(String propName, String value) {
diff.propertyDeleted(before.getProperty(propName));
}
@Override
public void childNodeAdded(ChildNodeEntry added) {
String name = added.getName();
diff.childNodeAdded(name, after.getChildNode(name));
}
@Override
public void childNodeDeleted(ChildNodeEntry deleted) {
String name = deleted.getName();
diff.childNodeDeleted(name, before.getChildNode(name));
}
@Override
public void childNodeChanged(ChildNodeEntry changed, Id newId) {
String name = changed.getName();
diff.childNodeChanged(name, before.getChildNode(name),
after.getChildNode(name));
}
});
}
}